Phys. Rev. A 48, R894(R) (1993) - Double ionization in the perturbative and tunneling regimes

Rapid Communication

Double ionization in the perturbative and tunneling regimes

B. Walker, E. Mevel, Baorui Yang, P. Breger, J. P. Chambaret, A. Antonetti, L. F. DiMauro, and P. Agostini

Phys. Rev. A 48, R894(R) – Published 1 August 1993

Abstract

We have studied the doubly charged ion yields and electron energy spectra (normal and coincidence) for double ionization of atoms in two different ionization regimes (perturbative and tunneling). In both cases, the double-ionization rates appear to be anomalously large in some intensity range and strongly reduced by circular polarization. It is argued that these similar behaviors must result from different physical mechanisms.

Received 28 April 1993

DOI:https://doi.org/10.1103/PhysRevA.48.R894

©1993 American Physical Society

Authors & Affiliations

Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973

Service de Recherches sur les Surfaces et l’Irradiation de la Matière, Centre d’Etudes Saclay, 91191 Gif-sur-Yvette, France

Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973

Service de Recherches sur les Surfaces et l’Irradiation de la Matière, Centre d’Etudes de Saclay, 91191 Gif-sur-Yvette, France

J. P. Chambaret and A. Antonetti

Laboratoire d’Optique Appliquée, Ecole Polytechnique, Ecole National Supérieure des Techniques Avancées 91120 Palaiseau, France

Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973

Service de Recherches sur les Surfaces et l’Irradiation de la Matière, Centre d’Etudes de Saclay, 91191 Gif-sur-Yvette, France

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Vol. 48, Iss. 2 — August 1993

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